Add Prompt Doctor chat mode for prompt engineering optimization

[dfinke]

Adds expert chat mode for analyzing and optimizing AI prompts with advanced prompt engineering techniques.

[Copilot]

Pull Request Overview

Adds a new “Prompt Doctor” chat mode for advanced prompt engineering and updates the README to list it.

• Introduces chatmodes/prompt-doctor.chatmode.md with responsibilities, toolkit, process, and output guidelines
• Updates README.md to include the Prompt Doctor in the chat modes index

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
chatmodes/prompt-doctor.chatmode.md	Adds chat mode definition for expert prompt analysis and optimization
README.md	Registers the new Prompt Doctor mode in the list of available modes

Comments suppressed due to low confidence (2)

chatmodes/prompt-doctor.chatmode.md:1

• Add a name or title field to the front matter so the chat mode is properly identified in the UI (e.g., name: Prompt Doctor).

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chatmodes/prompt-doctor.chatmode.md:13

• [nitpick] Convert this bolded label into a Markdown heading (e.g., ## Prompt Engineering Toolkit) to match the style of other sections.

## Prompt Engineering Toolkit:

[digitarald]

@dfinke have you tried pointing it to specific docs for further research, like https://docs.anthropic.com/en/docs/build-with-claude/prompt-engineering/overview or https://cookbook.openai.com/examples/gpt4-1_prompting_guide .

Also, should this have reduced tools, or run with all tools? If it doesn't restrict tools, it could also be a prompt.

[dfinke]

@digitarald Haven't tried pointing to urls. Do you mean using #fetch in the chatmode.md or copy/paste the contents into the chatmode file?

Not sure what tools should be included/excluded.

it could also be a prompt.
How do you make it a prompt?